FIG.516-锻造释气阀 FORGED BRASS AIR VENT Plastic float ball,Threaded ends 零件 PART材质 MATERIAL 阀体 BODYFORGED BRASS 阀盖 COVERFORGED BRASS 浮球 FLOAT BALLPLASTIC 阀杆 STEM BRASS 座环 SWAT RINGNBR 弹簧 SPRING SUS304 尺寸1/23/41 L47.547.547.5 H107118.5110 D222222 最高使用压力试验压力(水压) 常温水阀体阀座 FIG.516-锻造释气阀,台湾RING东光,台湾进口阀门